Blazars are:
A) elliptical galaxies whose nuclei resemble quasars.
B) spiral galaxies whose nuclei resemble quasars.
C) giant irregular galaxies that have neither spiral arms nor the smooth shape of elliptical galaxies.
D) active galaxies, most of whose energy is emitted by two widely spaced radio lobes.
Correct Answer:
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Q52: Seyfert galaxies are:
A)elliptical galaxies whose nuclei resemble
Q53: Among galaxies with active galactic nuclei, Seyfert
Q54: A spiral galaxy with a bright, compact
Q55: What is the difference between a Seyfert
Q56: Observationally, the biggest difference between quasars and
Q58: A blazar is a(n):
A)eclipsing binary star in
Q59: The spectrum of a blazar shows:
A)absorption lines
Q60: A starlike object showing an almost featureless
Q61: Active galaxies include each of the following
Q62: A radio galaxy, viewed from a position
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